Two weeks after the Hearthstone development team introduced Battlegrounds Buddies into the auto chess game mode, a sweeping balance change was announced. In a post shared by the development team on Tuesday afternoon, 31 of the 75 hero-specific Buddies received buffs, nerfs, and reworks to help create a more level playing field. The following changes are subject to go live with Patch 22.2.2 later in the day: Nerfs Elementium Squirrel Bomb (Millificent Manastorm’s Buddy): \- Now deals 3 damage to a random enemy minion for each of your Mechs that died this combat. (Down from 4 damage) Eclipsion I…